Grammar LV1 — Quiz — Day 2: Articles: a/an/the

1 I have ___ dog.
2 She ate ___ apple.
3 Close ___ door, please. (the door we both can see)
4 Fix the mistake: "I like the coffee." (talking about coffee in general) -> correct sentence uses no article, type just the missing word: I like ___ coffee. (type: nothing / leave blank marker) Actually type the correct word or "none"
5 Which sentence is correct?